<div class="main-nav">
    <div class="main-nav-content">
        <a  [routerLink]='item.path' 
           routerLinkActive='active' 
           class='main-nav-item'  
           exact
           *ngFor='let item of props' >
           <i [class]="item.icon + ' iconfont icon' "></i>
        </a>
    </div>
</div>